13-2  公路和航道线路基本情况
Basic Statisics on Highways and Waterways 
         Item     2018 2019
       
                                                                                                                           
公路里程          (公里)   Length of Highways                                       (kilometer)   8975 8984
 # 晴雨通车里程              Length of Highways in Any Weathers                                 8975 8984
  等级公路                 Expressway and Class I to IV Highways                             8914 8984
                           Expressway                                                                      1022 1030
                           First Class                                                                        1058 1068
                           Second Class                                                                    871 872
                           Third Class                                                                       1458 1452
                           Fourth Class                                                                     4505 4562
  等外公路                 Highways below Class IV                                                    61  
  有路面里程               Paved Highways                                                                  8952 8972
    沥青混凝土                High Class                                                                        2277 2297
    水泥混凝土                Second High Class                                                            6675 6675
  简易铺路面                Medium Class                                                                     23 12
  未铺装路面                Low Class                                                                              
                     Bridges                                                                                     
                  (座)      Number                                                                    (unit)   3324 3377
                (米)      Length                                                                   (meter)   582561 612095
永久式桥梁               Permanent Bridges                                                                 
                  (座)      Number                                                                    (unit)   3714 3377
                (米)      Length                                                                   (meter)   549332 612095
                (个)   Ferries                                                                        (unit)   2 2
内河航道里程      (公里)   Length of Navigable Inland  Waterways      (kilometer)   1303 1301
 # 等级航道里程                Standand Waterways                                      (kilometer)   473 579
                                                                                                                           
注:1.广州市交通运输局2019年底对桥梁数量进行校核,修订2017年和2018年桥梁座数和长度,分别更新为3167座、56.46万米;3324座、58.26万米。
  2.本表数据由广州市交通运输局等单位提供。
Note: I. Guangzhou  Municipal  Transportation  Bureau  has checked the number of Bridges at the end of 2019,  and revised the number and length of Bridges in 2017 and 2018 to 3167 units564600 meters and 
    3324 units582.6 thousand  meters respectively. 
   II. The data in this table are provided by Guangzhou Municipal Transportation Bureau, etc.